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Generation III Internal Engine
m6 Idle speeds

Generation III Internal Engine 1997-2006 LS1 | LS6

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m6 Idle speeds

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Old

11-29-2006, 10:35 AM

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m6 Idle speeds

What do you idle at and what size is your cam?

I'm idling at 900-1000 rpm on a 230/232 cam (383) Does that sound to high?

glr0212 is offline

Old

11-29-2006, 10:39 AM

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Quote:

Originally Posted by glr0212

What do you idle at and what size is your cam?

I'm idling at 900-1000 rpm on a 230/232 cam (383) Does that sound to high?

Most people here with aftermarket cams set the idle to 900 anyway. Also the weight of the flywheel and clutch will affect how the car idles. FWIW I have a 221/221 on a 112 with an aluminum flywheel and all it does is surge with anything less that 900rpm.

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Old

11-29-2006, 10:59 AM

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900 rpm...224/228 cam

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Old

11-29-2006, 12:09 PM

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348ci, TREX, Aluminum flywheel, 925 - 950 in there somewhere.

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11-29-2006, 01:10 PM

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Hot cam and it idles at 750.

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Old

11-29-2006, 01:12 PM

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900rpm F-13.

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Old

11-29-2006, 01:31 PM

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228/232 112 lsa 800rpm but might be droping it to 750. doesnt lope as much now with the TD and cats

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Old

11-29-2006, 01:39 PM

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i had mine at 580 but surged alot still sounded cool and everyone would turn at lights

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11-29-2006, 01:45 PM

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224/224 on 114 lsa @ 1050-1100rpm

bought the car with the cam so idk why its set to idle so high

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11-29-2006, 01:46 PM

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Quote:

Originally Posted by 6-Speed Terror

i had mine at 580 but surged alot still sounded cool and everyone would turn at lights

How does the engine keep running at that low of an RPM???

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Old

11-29-2006, 01:46 PM

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My old C2 head/cam setup idled at 800, my MS4/head setup idles at 925

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11-29-2006, 01:47 PM

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FM 13 with Futrals Tuning set at 900RPMS

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11-29-2006, 01:51 PM

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233\233 .598\.598 112 lsa @ 900 rpm

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11-29-2006, 02:23 PM

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ms4=875-925rpm

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Old

12-05-2006, 05:15 PM

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i dont know how it stay on that low but my friend has a 5.3 with a 220 can and he idles at 550 with an auto and it sounds awsome too

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12-05-2006, 05:47 PM

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TSP Torquer V3... 900rpm

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12-05-2006, 05:52 PM

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LG G5X4 - 900rpm.

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Old

12-05-2006, 06:15 PM

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I have the TSP 231/237 .598/.595 112 LSA and it idles around 1100

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12-05-2006, 06:47 PM

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I had mine at 900 but as I got better at tuning idle, i dropped it back down to stock 800 rpm.

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Old

12-05-2006, 10:02 PM

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TR224 cam here on a 112 lsa, idle is at 850.

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